remove polyfills

client/configuration/polyfills/polyfills.js

@@ -1,6 +0,0 @@
-if (typeof Promise === "undefined") {
-  require("promise/lib/rejection-tracking").enable();
-  window.Promise = require("promise/lib/es6-extensions.js");
-}
-
-require("whatwg-fetch");

client/configuration/webpack/webpack.config.dev.js

@@ -13,7 +13,6 @@ module.exports = {
   entry: [
     "webpack-hot-middleware/client?quiet=true&noInfo=true",
     require.resolve("react-hot-loader/patch"),
-    "babel-polyfill",
     "./src/index"
   ],
   output: {

client/configuration/webpack/webpack.config.prod.js

@@ -17,7 +17,7 @@ module.exports = {
   bail: true,
   cache: false,
   devtool: "cheap-source-map",
-  entry: ["babel-polyfill", "./src/index"],
+  entry: ["./src/index"],
   output: {
     path: path.resolve("build"),
     filename: "static/js/[name].[chunkhash:8].js",

client/package.json

@@ -27,7 +27,6 @@
     "eslint-scope": "3.7.1"
   },
   "dependencies": {
-    "babel-polyfill": "^6.26.0",
     "canvas-fit": "^1.5.0",
     "d3": "^4.10.0",
     "font-color-contrast": "^1.0.3",
@@ -38,7 +37,6 @@
     "mouse-position": "^2.0.1",
     "mouse-pressed": "^1.0.0",
     "orbit-camera": "^1.0.0",
-    "promise": "^7.1.1",
     "query-string": "^6.1.0",
     "react": "^16.4.2",
     "react-autocomplete": "^1.7.2",
@@ -51,8 +49,7 @@
     "redux-thunk": "^2.2.0",
     "regl": "^1.3.1",
     "scroll-speed": "^1.0.0",
-    "urijs": "^1.19.0",
-    "whatwg-fetch": "^2.0.3"
+    "urijs": "^1.19.0"
   },
   "devDependencies": {
     "autoprefixer": "^9.1.1",